Refs #33348 -- Made SimpleTestCase.assertFormError()/assertFormsetErrors() raise an error for unbound forms/formsets.

2 files changed, 20 insertions, 0 deletions

diff --git a/django/contrib/admin/helpers.py b/django/contrib/admin/helpers.py
index 2e7a20a49b..aea13b94d7 100644
--- a/django/contrib/admin/helpers.py
+++ b/django/contrib/admin/helpers.py
@@ -84,6 +84,10 @@ class AdminForm:
         return self.form.non_field_errors
 
     @property
+    def is_bound(self):
+        return self.form.is_bound
+
+    @property
     def media(self):
         media = self.form.media
         for fs in self:
@@ -438,6 +442,10 @@ class InlineAdminFormSet:
         return self.formset.non_form_errors
 
     @property
+    def is_bound(self):
+        return self.formset.is_bound
+
+    @property
     def media(self):
         media = self.opts.media + self.formset.media
         for fs in self:
diff --git a/django/test/testcases.py b/django/test/testcases.py
index 14416807be..0d24bf0d40 100644
--- a/django/test/testcases.py
+++ b/django/test/testcases.py
@@ -595,6 +595,12 @@ class SimpleTestCase(unittest.TestCase):
         for i, context in enumerate(contexts):
             if form not in context:
                 continue
+            if not context[form].is_bound:
+                form_repr = repr(context[form])
+                self.fail(
+                    f"{msg_prefix}The form {form_repr} is not bound, it will never "
+                    f"have any errors."
+                )
             found_form = True
             for err in errors:
                 if field:
@@ -680,6 +686,12 @@ class SimpleTestCase(unittest.TestCase):
         for i, context in enumerate(contexts):
             if formset not in context or not hasattr(context[formset], "forms"):
                 continue
+            if not context[formset].is_bound:
+                formset_repr = repr(context[formset])
+                self.fail(
+                    f"{msg_prefix}The formset {formset_repr} is not bound, it will "
+                    f"never have any errors."
+                )
             found_formset = True
             for err in errors:
                 if field is not None: